C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

TPI - most complicated intake ever

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Old Dec 3, 2007 | 11:27 AM
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Default TPI - most complicated intake ever

For those with TPI engines that have taken their intake apart, i'm sure you can all agree with me that its too complicated and frustrating. Its like they designed it so that you drop a bolt (and you will) it goes into a little nook and takes forever to get it out. If you disagree and think there are more complicated intakes out there, I would like to see a description and some pictures
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Old Dec 3, 2007 | 11:51 AM
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Don't install the superram intake unless you like fustration.
It has the factory TPI beat.

Last edited by -js-; Dec 3, 2007 at 12:03 PM. Reason: spelling
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Old Dec 3, 2007 | 11:56 AM
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I have not dropped a bolt in mine, but years ago I installed TPIS Large tube runners, Big Mouth manifold and ported the plenum. I thought that part was pretty normal R&R.

There has been untold complaining about installing the SR on these pages. I did not even try it...forewarned was forearmend! My mechanic made a special tool to get at some of the bolts. Works fine, but it will test normal beings.
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Old Dec 3, 2007 | 12:08 PM
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I would go carb before I tried installing a SR. Yes i've seen how complicated it is, totally forgot about that one.
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Old Dec 3, 2007 | 12:23 PM
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TPIs are a paint to mess with, and everything has to be reassembled in order so it all fits right. For the lower torx bolts try using a long 1/4" drive extension with a 1/4" to 3/8 in adapter, your torx socket on the eind of that. To get them started OSH sells a craftsman 1/4" flexible extension (looks like a cable), that makes it a little easier. Put some antisieze on the end of the threads, it helps. One in the DS rear is no fun as the windshield washer motor, booster line and everything else is in the way.
A telescoping magnet is a must on these cars.
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Old Dec 3, 2007 | 12:29 PM
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Originally Posted by -js-
Don't install the superram intake unless you like fustration.
It has the factory TPI beat.
Oh ****.....I'll be doing that soon....
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Old Dec 3, 2007 | 12:30 PM
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FWIW, I thought taking off teh factory manifold was a peice of cake. Wasn't all that hard..
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Old Dec 3, 2007 | 12:36 PM
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I've had two TPI setups, an '85 Trans Am, and an '85 Vette. I had them apart so many times, I didn't think much of it. I was kind of intimidated the first time, but it's just parts. You unbolt stuff, and there it is. Just keep track of which bolts go where. Not too tough.
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Old Dec 3, 2007 | 12:53 PM
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Originally Posted by jsup
FWIW, I thought taking off teh factory manifold was a peice of cake. Wasn't all that hard..
Until I had to put it all back together.
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Old Dec 3, 2007 | 01:42 PM
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The first time I took apart a TPI I was 16. I never really found it that difficult. I will say that after installing the SLP runners its much easier with the allan head runner bolts and that nifty ball end alan wrench from SLP. If I ever have to pull another stock one apart, Im definately ditching the torx bolts!
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Old Dec 3, 2007 | 01:44 PM
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Originally Posted by Firevette
If I ever have to pull another stock one apart, Im definately ditching the torx bolts!
I think my biggest mistake was using the torx bolts again.
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Old Dec 3, 2007 | 02:01 PM
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No trouble with mine, I do drop things. I keep an extension magnet handy. Sometimes I wish I had magnet tip gloves.
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Old Dec 3, 2007 | 02:05 PM
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It really is just a matter of doing some mods, make a few tools, throw a few tricks at it, and the frustration is minimized.

personally I love reading about how bad the super ram is. I dont have any issues with it. the first time was the worst... I did a few posted tricks on it and found better ways for me.

the only stock bolts on it are the runners to base. I replaced all of the rest.

Although there are some guys who throw tools and say F-it because they have the wrong screwdriver... those types I dont think can be helped.
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Old Dec 3, 2007 | 04:59 PM
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Well I always have problems putting it back together. I've spent 4 hours on it today (longest its ever taken me btw) and dropped 2 bolts. At least one of my bolts never wants to thread right no matter how I put it in there. They should have kept it a once piece intake manifold. Yeah its still not all back together yet, its ridiculous. Doesnt help thats its 27* out there without the wind.
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Old Dec 3, 2007 | 05:36 PM
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Dropped the same bolt a 3rd time. Why are there even spaces behind the injectors anyway??? It serves no purpose whatsoever.
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Old Dec 3, 2007 | 05:40 PM
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Originally Posted by bill mcdonald
It really is just a matter of doing some mods, make a few tools, throw a few tricks at it, and the frustration is minimized.

personally I love reading about how bad the super ram is. I dont have any issues with it. the first time was the worst... I did a few posted tricks on it and found better ways for me.

the only stock bolts on it are the runners to base. I replaced all of the rest.

Although there are some guys who throw tools and say F-it because they have the wrong screwdriver... those types I dont think can be helped.
That is my dads type... I have never understood that. Doing stuff like that is just going to get you more worked up and you are going to end up breaking something. It isn't that hard to just get a new driver.
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Old Dec 3, 2007 | 09:13 PM
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A 9" long T40 torx bit makes the job much easier. Mine's a MAC, but I'm sure other tool companies make them.

Paul
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Old Dec 3, 2007 | 09:17 PM
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Better yet replace the torx bolts with allen bolts and get a long shank ball-end allen driver. It'll come off in 1/2 the time. Most of the frustration comes from not being able to get to the runner bolts.
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Old Dec 3, 2007 | 09:20 PM
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Originally Posted by CentralCoaster
Better yet replace the torx bolts with allen bolts and get a long shank ball-end allen driver. It'll come off in 1/2 the time. Most of the frustration comes from not being able to get to the runner bolts.
Indeed. I went with polished button head allen bolts.
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Old Dec 3, 2007 | 09:25 PM
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I donno... the Ferrari Boxer 12 intakes look pretty frightening.
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